Trial compares responses to BTX-A, BTX-B

March 1, 2002

New Orleans - Results of a preliminary, double-blind, parallel group study demonstrate the efficacy of botulinum toxin type A (BTX-A, Botox) 20 units and botulinum toxin type B (BTX-B, Myobloc) 1,000 and 2,000 units for correcting deep glabellar furrows.